201257039 has 8 divisors (see below), whose sum is σ = 202950000. Its totient is φ = 199570752.

The previous prime is 201257011. The next prime is 201257057. The reversal of 201257039 is 930752102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201257039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201257009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71837 + ... + 74585.

It is an arithmetic number, because the mean of its divisors is an integer number (25368750).

Almost surely, 2^201257039 is an apocalyptic number.

201257039 is a deficient number, since it is larger than the sum of its proper divisors (1692961).

201257039 is a wasteful number, since it uses less digits than its factorization.

201257039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 201257039 is about 14186.5090490931. The cubic root of 201257039 is about 586.0261911360.

The spelling of 201257039 in words is "two hundred one million, two hundred fifty-seven thousand, thirty-nine".